Why the Australian Greens expelled their cofounder

Earlier this month the Greens officially terminated the membership of one of its founders. Drew Hutton, the expelled member, criticised the party as ‘authoritarian’, claiming it is silencing members who challenge its official policies on gender identity – but the party says it will not tolerate harmful commentary within its membership. Queensland state reporter Joe Hinchcliffe tells Nour Haydar why the Greens have terminated Drew Hutton’s life membership over debate that the party considers harmful to trans people, but which Hutton has framed as an issue of free speech